.slideshowWrapper {
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 0;
  background-color: #222;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

ul#slideshow {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  list-style-type: none;
  margin: 0px;
  padding: 0px;
  z-index: 0;
}

ul#slideshow li {
  position: absolute;
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;  
  /* background-image: url(../images/LavaBg2.jpg); */ /* demo */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

ul#slideshow li img {
  visibility: hidden;
}

/* https://www.cssscript.com/creating-fullscreen-video-background-pure-js-background-video/ */
/* WORKS without js! */
ul#slideshow li video {
  max-width: none !important;
  position: absolute;
  object-fit: cover;
  width: 100%;
  height: 100%;
  z-index: -999;
  top: 0;
  left: 0;
}

/*
ul#slideshow li video {
  max-width: none !important;
  position: fixed;
  overflow: hidden;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: inherit;
}
*/


/* fadeout class */
.fadeout {
  -webkit-animation: fadeout 750ms; /* Safari, Chrome and Opera > 12.1 */
    -moz-animation: fadeout 750ms; /* Firefox < 16 */
     -ms-animation: fadeout 750ms; /* Internet Explorer */
      -o-animation: fadeout 750ms; /* Opera < 12.1 */
         animation: fadeout 750ms;
  /* do not revert to original state! */
  -webkit-animation-fill-mode: forwards;
    -moz-animation-fill-mode: forwards; /* Firefox < 16 */
      -ms-animation-fill-mode: forwards; /* Internet Explorer */
      -o-animation-fill-mode: forwards; /* Opera < 12.1 */
          animation-fill-mode: forwards;
}


.fadein {
  -webkit-animation: fadein 750ms; /* Safari, Chrome and Opera > 12.1 */
    -moz-animation: fadein 750ms; /* Firefox < 16 */
     -ms-animation: fadein 750ms; /* Internet Explorer */
      -o-animation: fadein 750ms; /* Opera < 12.1 */
         animation: fadein 750ms;
  /* do not revert to original state! */
  -webkit-animation-fill-mode: forwards;
    -moz-animation-fill-mode: forwards; /* Firefox < 16 */
      -ms-animation-fill-mode: forwards; /* Internet Explorer */
      -o-animation-fill-mode: forwards; /* Opera < 12.1 */
          animation-fill-mode: forwards;  
}


/* ************************************************************************************************************** */
/* fade in class */

@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Internet Explorer */
@-ms-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* ************************************************************************************************************** */
/* fade out class */

@keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Firefox < 16 */
@-moz-keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Internet Explorer */
@-ms-keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Opera < 12.1 */
@-o-keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}